Packing: 6PCS in totalSilicone cover size: 6 specifications each 1PCS:(17.1cm) 6.7 inch(12.6cm) 5.0 inch (11.2cm) 4.4 inch(9.0cm) 3.5 inch(7.7cm) 3.0 inch(5.6cm) 2.2 inchSafe, easy to operateSilicone elastic fresh-keeping cover, made of 100% food-grade organic silicone material, has good elasticity, can ensure a sealed container, super high temperature and low temperature, and ensure food safety.There are 6 sizes and specifications with sufficient flexibility. When using, put it on the container and just stretch the cover a little. It is easy to assemble and disassemble, easy to clean before and after use, and can be reusedmore purposes12 silicone stretch covers and 6 different sizes, suitable for most specifications The bowls, cups, jars, bottles, small pots and other utensils are sealed to preserve food. It can also be used to seal and preserve cut watermelon, lemon and other fruits precautions for useTo avoid slipping when stretching the plastic cover, please make sure before operation The lids, hands, and the edges of the sealed utensils should be cleaned and disinfected with boiling water when they are used for the first time without oil or water. Do not contact with sharp objects during use and storage to prevent damage;Our serviceOstWony is committed to providing customer satisfaction service for a long time. If there are any problems with our products, please contact us and we will provide you with a satisfactory solution. If you are worried about finding a suitable dishwashing tool, please try our products and services. OstWony will be very honored!